/*
 * Copyright 2019 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
#ifndef GrAHardwareBufferUtils_DEFINED
#define GrAHardwareBufferUtils_DEFINED

#include "include/core/SkTypes.h"

#if defined(SK_BUILD_FOR_ANDROID) && __ANDROID_API__ >= 26

#include "include/gpu/GrBackendSurface.h"
#include "include/gpu/GrTypes.h"

class GrDirectContext;

extern "C" {
typedef struct AHardwareBuffer AHardwareBuffer;
}

namespace GrAHardwareBufferUtils {
// TODO: remove this function once Android has been updated to call the AHardwareBufferUtils
// version
SkColorType GetSkColorTypeFromBufferFormat(uint32_t bufferFormat);

#if !defined(SK_DISABLE_LEGACY_ANDROID_HW_UTILS)
GrBackendFormat GetBackendFormat(GrDirectContext *dContext, AHardwareBuffer *hardwareBuffer, uint32_t bufferFormat,
    bool requireKnownFormat);
#endif

GrBackendFormat GetGLBackendFormat(GrDirectContext *dContext, uint32_t bufferFormat, bool requireKnownFormat);
GrBackendFormat GetVulkanBackendFormat(GrDirectContext *dContext, AHardwareBuffer *hardwareBuffer,
    uint32_t bufferFormat, bool requireKnownFormat);

typedef void *TexImageCtx;
typedef void (*DeleteImageProc)(TexImageCtx);
typedef void (*UpdateImageProc)(TexImageCtx, GrDirectContext *);

/* *
 * Create a GrBackendTexture from AHardwareBuffer
 *
 * @param   context         GPU context
 * @param   hardwareBuffer  AHB
 * @param   width           texture width
 * @param   height          texture height
 * @param   deleteProc      returns a function that deletes the texture and
 * other GPU resources. Must be invoked on the same
 * thread as MakeBackendTexture
 * @param   updateProc      returns a function, that needs to be invoked, when
 * AHB buffer content has changed. Must be invoked on
 * the same thread as MakeBackendTexture
 * @param   imageCtx        returns an opaque image context, that is passed as
 * first argument to deleteProc and updateProc
 * @param   isProtectedContent if true, GL backend uses EXT_protected_content
 * @param   backendFormat   backend format, usually created with helper
 * function GetBackendFormat
 * @param   isRenderable    true if GrBackendTexture can be used as a color
 * attachment
 * @return                  valid GrBackendTexture object on success
 */
#if !defined(SK_DISABLE_LEGACY_ANDROID_HW_UTILS)
GrBackendTexture MakeBackendTexture(GrDirectContext *dContext, AHardwareBuffer *hardwareBuffer, int width, int height,
    DeleteImageProc *deleteProc, UpdateImageProc *updateProc, TexImageCtx *imageCtx, bool isProtectedContent,
    const GrBackendFormat &backendFormat, bool isRenderable, bool fromAndroidWindow = false);
#endif

GrBackendTexture MakeGLBackendTexture(GrDirectContext *dContext, AHardwareBuffer *hardwareBuffer, int width, int height,
    DeleteImageProc *deleteProc, UpdateImageProc *updateProc, TexImageCtx *imageCtx, bool isProtectedContent,
    const GrBackendFormat &backendFormat, bool isRenderable);

GrBackendTexture MakeVulkanBackendTexture(GrDirectContext *dContext, AHardwareBuffer *hardwareBuffer, int width,
    int height, DeleteImageProc *deleteProc, UpdateImageProc *updateProc, TexImageCtx *imageCtx,
    bool isProtectedContent, const GrBackendFormat &backendFormat, bool isRenderable, bool fromAndroidWindow = false);
} // namespace GrAHardwareBufferUtils

#endif
#endif
